PANGARIBUAN, J. ANALISIS EFISIENSI PENENTUAN PORTOFOLIO SAHAM PERUSAHAAN MANUFAKTUR DI PT. BURSA EFEK INDONESIA (BEI). Jurnal Manajemen dan Bisnis, [S. l.], v. 12, n. 2, p. 38–56, 2017. DOI: 10.54367/jmb.v12i2.58. Disponível em: https://ejournal.ust.ac.id/index.php/JIMB_ekonomi/article/view/58. Acesso em: 22 nov. 2024.